Stars Guided Notes- part 1

How does a star get energy to shine/glow?

• Nuclear fission

• Nuclear fusion

• electricity

• radiation

Finding which element inside a star indicates that it is getting really old?

• hydrogen

• helium

• carbon

• iron

Match the following

• helium

• color of a cooler star

• hydrogen

• most abundant element in stars

• silicon

• second most abundant element in stars

• red

• color of a hotter star

• blue

• another element that might be found in stars

Which of the following are elements that are commonly found in stars?

• sodium

• carbon

• water

• gold

Stars are extremely massive. Why don't they collapse under the weight of their own gravity?

• Nuclear fusion is causing heat and pressure to push outward from the center of a star

• There is too much matter in the way, the star cannotget any smaller.

• Gravity doesn't have that much affect at that close a distance

Which color star has the WARMEST surface temperature?

• red

• orange

• yellow

• blue

Organize these options into the right categories

Groups:

(a) Larger than the sun

,

(b) about the same size as the sun

,

(c) smaller than the sun

• giants

• red dwarfs

• white dwarfs

• super giants

• neutron stars

• the sun

What adjective best describes the size of our sun?

• large

• medium

• small

George is describing how bright a star appears to him on planet earth. George is describing the star's....

• Absolute brightness

• Apparant brightness

• luminosity

• wattage

Grace is describing how bright a star is by describing how much energy the star is producing. Grace is describing the star's....

(2 answers)

• Absolute brightness

• Apparant brightness

• luminosity

• wattage